M3x6 Flanged Combination Head Screw

Description

Technical Overview of the M3x6 Flanged Combination Head Screw

The M3x6 Flanged Combination Head Screw is a highly versatile and robust fastener designed for high-vibration and precision electronic environments. Featuring an integrated washer-like flange at the base of the head, this screw provides a superior bearing surface compared to standard screws. The “Combination” head design is particularly valuable, as it accepts both Phillips and Flat-head (Slotted) screwdrivers, offering maximum flexibility on the assembly line or in the field. At BuyCircuitParts, we supply these professional-grade screws to ensure your mechanical connections remain secure and “on track.“

Key Specifications and Dimensional Data

Engineering precision is vital for the perfect fit. Here are the technical specifications for the M3x6 Flanged Combination Head Screw:

• Thread Size: M3 (3mm Diameter).

• Length: 6mm (Measured from the flange base to the thread tip).

• Head Type: Combination (Phillips + Slotted).

• Feature: Integrated Flange (Eliminates the need for a separate flat washer).

• Material: Grade 4.8 Carbon Steel.

• Coating: Bright Zinc Plating (For rust and oxidation resistance).

• Thread Pitch: 0.5mm Standard Metric.

The Strategic Advantage of the Flanged Head

The primary benefit of the M3x6 Flanged Combination Head Screw is its integrated flange. This wide, flat base acts as a built-in washer, distributing the clamping force over a larger area. This is critical when mounting components to a heatsink or securing a PCB to a metal chassis, as it prevents the screw head from “sinking” into or cracking soft materials like fiberglass or thin aluminum. Furthermore, the combination drive ensures that no matter what tool is at hand, you can always tighten or loosen the fastener without stripping the head. At BuyCircuitParts, we ensure the flange is perfectly concentric to provide even pressure.

Common Applications for the M3x6 Flanged Screw

The M3x6 Flanged Combination Head Screw is the preferred choice for several technical applications:

1. Industrial Heatsink Mounting: Securing TO-220 or TO-247 heatsinks where a wider grip is needed for maximum thermal contact.

2. Chassis Grounding: The wide flange provides a larger surface area for grounding lugs and eyelet terminals, ensuring a stable electrical path.

3. Automotive Electronics: The flanged design helps resist loosening in environments prone to mechanical vibration.

4. Control Panel Assembly: Used to mount DIN rail brackets and small modules inside metal electrical cabinets.

5. Home Automation Kits: Ideal for assembling smart home hubs and sensor enclosures that require a professional finish.

Installation and Optimization Best Practices

To achieve the best results with the M3x6 Flanged Combination Head Screw, follow these guidelines:

• Tool Selection: While the combination head is versatile, using a high-quality Phillips PH2 bit provides the most torque with the least risk of slipping.

• Use with Fiber Washers: If you are isolating a transistor, you can still use our M3x6 Fiber Washer under the flange for an extra layer of protection and electrical isolation.

• Torque Control: The flanged head allows for higher torque without damaging the substrate, but always be mindful of the material’s limit (especially in plastic or thin PCBs).

• Clean Threads: Ensure the receiving hole or standoff is free of debris. Our zinc-plated threads are precision-engineered to glide smoothly without binding.

Why Buy from BuyCircuitParts?

As a specialized seller, we understand that “bulk-bin” screws often suffer from shallow drive slots or uneven plating. At BuyCircuitParts, our M3x6 Flanged Combination Head Screw inventory is sourced from manufacturers who prioritize mechanical consistency. Each screw features a crisp combination drive and a smooth, rust-resistant finish. We know that as a professional or hobbyist, you need hardware that doesn’t fail mid-assembly. Our fast shipping and commitment to quality help keep your production line or DIY project moving “on track.“

Durability and Corrosion Resistance

The carbon steel core of our M3x6 Flanged Combination Head Screw offers excellent tensile strength, while the bright zinc plating acts as a sacrificial layer against environmental factors. This makes it suitable for long-term use in consumer electronics, power supplies, and industrial machinery. By choosing this flanged screw from BuyCircuitParts, you are opting for a fastener that combines the convenience of a combination drive with the structural reliability of a flanged head.

📐 Dimensions:

Washer: Fixed serrated flange
Thread Diameter: M3 (3mm)
Length (under head): 6mm
Head Type: Pan head with Flanged Combination Head Screw

🧊 Note:
Product colour and markings may vary slightly based on manufacturer and batch. Functionality is guaranteed. (Refer to the product image for illustration only. For precise specifications, consult the datasheet.) For more details, check the ISO Metric Screw Thread Standards.

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